Advanced Functional Materials,
Journal Year:
2022,
Volume and Issue:
32(18)
Published: Jan. 24, 2022
Abstract
Given
tunable
hybridization
structures
in
solid
solutions,
fascinating
electromagnetic
(EM)
properties
can
be
achieved
for
regulating
EM
wave
(EMW)
absorption.
Herein,
a
novel
metal–organic
cooperative
interactions
method
is
proposed
to
manipulate
the
vacancy,
interstitial,
substitutional,
and
heterointerface
molybdenum
disulfide
(MoS
2
)
solution
simultaneously,
thence
meeting
synergistic
polarization
loss
on
various
point
face
sites.
Assisted
by
coordination
between
Cu
2+
polydopamine
(PDA),
effect
of
modification
MoS
highly
improved,
which
further
lead
S
interstitial
Cu,
substitutional
N,
carbon
.
Contributing
synergetic
among
multiple
polarizations,
Cu/C@MoS
exhibit
ultrahigh
EMW
absorption
performance,
EMA
with
twice
PDA
delivers
effective
bandwidth
7.12
GHz
minimum
reflection
−48.22
dB
(2.5
mm).
The
energy
attenuation
improved
almost
266.7%
222.2%
than
C@MoS
Cu@MoS
,
respectively.
Finally,
this
work
reveals
structural
dependency
materials
establishes
an
entirely
new
model.
Advanced Science,
Journal Year:
2022,
Volume and Issue:
9(10)
Published: Feb. 7, 2022
Electromagnetic
(EM)
wave
absorbing
materials
play
an
increasingly
important
role
in
modern
society
for
their
multi-functional
military
stealth
and
incoming
5G
smart
era.
Dielectric
loss
EM
absorbers
underlying
mechanism
investigation
are
of
great
significance
to
unveil
attenuation
behaviors
guide
novel
dielectric
design.
However,
current
researches
focus
more
on
synthesis
rather
than
in-depth
study.
Herein,
comprehensive
views
toward
mechanisms
including
interfacial
polarization,
dipolar
conductive
loss,
defect-induced
polarization
provided.
Particularly,
some
misunderstandings
ambiguous
concepts
each
highlighted.
Besides,
study
emphasized.
Moreover,
new
regulation
strategies
instead
regular
components
compositing
summarized
provide
inspiring
thoughts
simple
effective
behavior
modulation.
Advanced Materials,
Journal Year:
2021,
Volume and Issue:
34(11)
Published: Nov. 10, 2021
Abstract
Electromagnetic
(EM)
wave
absorption
materials
possess
exceptionally
high
EM
energy
loss
efficiency.
With
vigorous
developments
in
nanotechnology,
such
have
exhibited
numerous
advanced
functions,
including
radiation
prevention
and
antiradar
stealth.
To
achieve
improved
performance
multifunctionality,
the
elaborate
control
of
microstructures
has
become
an
attractive
research
direction.
By
designing
them
as
core–shell
structures
with
different
dimensions,
combined
effects,
interfacial
polarization,
conduction
networks,
magnetic
coupling,
magnetic–dielectric
synergy,
can
significantly
enhance
performance.
Herein,
advances
low‐dimensional
are
outlined
a
selection
most
remarkable
examples
is
discussed.
The
derived
key
information
regarding
dimensional
design,
structural
engineering,
performance,
structure–function
relationship
comprehensively
summarized.
Moreover,
investigation
cutting‐edge
mechanisms
given
particular
attention.
Additional
applications,
oxidation
resistance
self‐cleaning
also
introduced.
Finally,
insight
into
what
may
be
expected
from
this
rapidly
expanding
field
future
challenges
presented.
Advanced Materials,
Journal Year:
2021,
Volume and Issue:
34(4)
Published: Oct. 4, 2021
Electromagnetic
(EM)
absorbers
play
an
increasingly
essential
role
in
the
electronic
information
age,
even
toward
coming
"intelligent
era".
The
remarkable
merits
of
heterointerface
engineering
and
its
peculiar
EM
characteristics
inject
a
fresh
infinite
vitality
for
designing
high-efficiency
stimuli-responsive
absorbers.
However,
there
still
exist
huge
challenges
understanding
reinforcing
these
interface
effects
from
micro
macro
perspectives.
Herein,
response
mechanisms
interfacial
are
dissected
depth,
with
focus
on
advanced
characterization
as
well
theoretical
techniques.
Then,
representative
optimization
strategies
systematically
discussed
emphasis
component
selection
structural
design.
More
importantly,
most
cutting-edge
smart
functional
devices
based
reported.
Finally,
current
concrete
suggestions
proposed,
future
perspectives
this
promising
field
also
predicted.
Nano-Micro Letters,
Journal Year:
2021,
Volume and Issue:
13(1)
Published: April 5, 2021
Highlights
The
eco-friendly
shaddock
peel-derived
carbon
aerogels
were
prepared
by
a
freeze-drying
method.
Multiple
functions
such
as
thermal
insulation,
compression
resistance
and
microwave
absorption
can
be
integrated
into
one
material-carbon
aerogel.
Novel
computer
simulation
technology
strategy
was
selected
to
simulate
significant
radar
cross-sectional
reduction
values
under
real
far
field
condition.
.
Abstract
Eco-friendly
electromagnetic
wave
absorbing
materials
with
excellent
infrared
stealth
property,
heat-insulating
ability
are
highly
attractive
in
practical
applications.
Meeting
the
aforesaid
requirements
simultaneously
is
formidable
challenge.
Herein,
ultra-light
fabricated
via
fresh
peel
facile
method
calcination
process,
forming
porous
network
architecture.
With
heating
platform
temperature
of
70
°C,
upper
surface
temperatures
as-prepared
aerogel
present
slow
upward
trend.
color
sample
images
similar
that
surroundings.
maximum
compressive
stress
2.435
kPa,
provide
favorable
endurance.
peel-based
possess
minimum
reflection
loss
value
(
RL
min
)
−
29.50
dB
X
band.
Meanwhile,
effective
bandwidth
covers
5.80
GHz
at
relatively
thin
thickness
only
1.7
mm.
detection
theta
0°,
(RCS)
16.28
m
2
achieved.
Theoretical
simulations
RCS
have
aroused
extensive
interest
owing
their
ingenious
design
time-saving
feature.
This
work
paves
way
for
preparing
multi-functional
absorbers
derived
from
biomass
raw
guidance
simulations.
Advanced Functional Materials,
Journal Year:
2022,
Volume and Issue:
32(42)
Published: July 1, 2022
Abstract
Electromagnetic
(EM)
functional
materials
play
an
increasingly
important
role
in
solving
EM
wave
pollution
both
modern
military
and
civil
fields.
Graphene‐based
are
the
most
promising
candidates
applications
of
shielding
absorption
owing
to
their
remarkable
structures
enhanced
properties.
Designing
graphene‐based
with
elaborately
controlled
microstructures
optimized
properties
can
effectively
improve
energy
attenuation
conversion.
Herein,
study
begins
mechanism,
multiscale
design
strategies
outlined,
including
molecular‐scale,
micro/nanoscale
structure,
macroscale
integration
assembly
strategies.
Applications
fields
reviewed,
focusing
on
latest
advances
assemblies
such
as
films,
fabrics,
composites.
Finally,
current
challenges
future
directions
this
fast‐growing
field
predicted.
Advanced Functional Materials,
Journal Year:
2021,
Volume and Issue:
31(23)
Published: March 24, 2021
Abstract
Metal–organic
frameworks
(MOFs)
and
their
derivatives,
featuring
unique
3D
microstructures
enhanced
electromagnetic
properties,
are
illuminating
infinite
possibilities
for
functional
materials
devices,
receiving
significant
attention
from
domestic
foreign
researchers.
Herein,
the
design
strategy
of
MOF
monomer
is
investigated,
response
mechanism
systematically
analyzed.
Research
emphatically
introduced
regarding
MOF‐based
in
microwave
absorption
interference
shielding.
Finally,
a
clear
insight
on
quickly
growing
field
given,
current
challenges
future
research
directions
summarized
predicted.
Advanced Functional Materials,
Journal Year:
2021,
Volume and Issue:
31(30)
Published: May 18, 2021
Abstract
Skin
effect
and
high
density
are
the
main
reasons
that
restrict
search
of
lightweight
high‐performance
metal‐based
electromagnetic
(EM)
wave
absorbing
materials.
Although
nanostructured
metal
materials
have
been
fabricated
to
solve
above
problems,
poor
dispersibility
chemical
stability
issues
brought
about
by
surface
energy
due
existing
nano‐size
effect.
In
this
work,
Ni
foam
with
NiO/NiFe
2
O
4
in
situ
growth
composites
a
facile
universal
route
as
an
effective
alternative
EM
absorber.
Impressively,
it
is
found
structure
/Ni
components
can
synergistically
boost
absorption
capacity.
detail,
impedance
matching
from
dissipation
interfacial
polarization
defect
induced
provided
mainly
contributes
its
ultra‐broadband
performance.
As
result,
as‐prepared
sample
(0.06
g·cm
−3
)
delivers
wide
bandwidth
14.24
GHz
thin
thickness
0.6
mm,
well
as,
specific
19444.4
GHz·g
−1
·cm
−2
.
This
work
sheds
light
on
novel
view
synergistic
behaviors
demonstrates
new
pathway
for
preparation
absorbers.
Advanced Science,
Journal Year:
2021,
Volume and Issue:
8(5)
Published: Jan. 6, 2021
High-performance
microwave
absorbers
with
special
features
are
desired
to
meet
the
requirements
of
more
complex
modern
service
environments,
especially
corrosive
environments.
Therefore,
high-efficiency
corrosion
resistance
should
be
developed
urgently.
Herein,
a
3D
NiAl-layered
double
hydroxide/graphene
(NiAl-LDH/G)
composite
synthesized
by
atomic-layer-deposition-assisted
in
situ
growth
is
presented
as
an
anticorrosive
absorber.
The
content
NiAl-LDH
optimized
achieve
impedance
matching.
Furthermore,
under
cooperative
effects
interface
polarization
loss,
conduction
and
porous
sandwich-like
structure,
optimal
NiAl-LDH/G
shows
excellent
absorption
performance
minimum
reflection
loss
-41.5
dB
maximum
effective
bandwidth
4.4
GHz
at
loading
only
7
wt%
epoxy.
Remarkably,
encapsulation
effect
can
restrain
galvanic
owing
graphene.
epoxy
coating
absorber
on
carbon
steel
exhibits
long-term
resistance,
synergetic
superior
impermeability
graphene
chloridion-capture
capacity
NiAl-LDH.
promising
absorber,
findings
this
study
may
motivate
development
functional
that
demands
coatings.
Nano-Micro Letters,
Journal Year:
2020,
Volume and Issue:
13(1)
Published: Nov. 20, 2020
Highlights
The
role
of
electron
transport
characteristics
in
electromagnetic
(EM)
attenuation
can
be
generalized
to
other
EM
functional
materials.
integrated
functions
efficient
absorption
and
green
shielding
open
the
view
multifunctional
A
novel
sensing
mechanism
based
on
intrinsic
performance
resonance
coupling
effect
is
revealed.
Abstract
It
extremely
unattainable
for
a
material
simultaneously
obtain
performance,
which
has
not
been
reported
due
competition
between
conduction
loss
reflection.
Herein,
by
tailoring
internal
structure
through
nano-micro
engineering,
NiCo
2
O
4
nanofiber
with
absorbing
as
well
strain
obtained.
With
improvement
charge
capability
nanofiber,
converted
from
shielding,
or
even
coexist.
Particularly,
conductivity
rising,
reflection
declines
−
52.72
10.5
dB,
while
interference
effectiveness
increases
13.4
suggesting
coexistence
two
functions.
Furthermore,
high
absorption,
sensor
designed
patterned
structure.
These
strategies
tuning
constructing
devices
extended
materials
promote
development
driven
devices.
Graphic
